There are binaries which host cool supergiants and massive hot
companions, of which a comprehensive catalog of 108 Galactic objects has
been recently published by [1]}. The 23 entries from
this catalog with an M spectral type for the cool giant are summarized in
Table REF , where we add distances, absolute magnitudes and
height above the galactic plane as derived from Gaia \(e\) DR3 parallaxes and
the 2MASS JHK\(_S\)  survey. Such objects are usually named VVCep stars, from
the best known member of the group, and while not related to SySt are
sometimes discussed in parallel. We have not included \(\delta \)  Sge in
Table REF  as it seems more related to other types of objects
like TX CVn or 17 Lep than to VVCep stars
[2]}, [3]}.
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